3 Library functions

ex

• eX_call.h eXosip call API
• eX_message.h eXosip request API
• eX_options.h eXosip options request API
• eX_publish.h eXosip publish request API
• eX_refer.h eXosip transfer outside of calls API
• eX_register.h eXosip registration API
• eX_setup.h eXosip setup API
• eX_subscribe.h eXosip subscribe request API
• example_DGELS_colmajor.c
• example_DGELS_rowmajor.c
• example_DGESV_colmajor.c
• example_DGESV_rowmajor.c
• example_kernel.hpp
• example_tree.hpp
• example_user.c
• example_zip.cpp
• exception.h GNU Common C++ exception model base classes.
• exec execute a file
• execCDKSwindow Cdk scrolling window widget
• execl execute a file
• execle execute a file
• execlp execute a file
• execs execute a file taking its arguments from a string
• execse execute a file taking its arguments from a string
• execsp execute a file taking its arguments from a string
• execspe execute a file taking its arguments from a string
• exect execute a file
• execv execute a file
• execvP execute a file
• execvp execute a file
• execvpe execute a file
• existbddnodeassocoff computes an existantial quantification.
• existbddnodeassocon computes an existantial quantification.
• Exit end the application or thread (and invoke exit handlers)
• exit cause normal process termination
• exitCancelCDKScreen Cdk functions for keyboard traversal
• exitCancelCDKScreenOf Cdk functions for keyboard traversal
• exitOKCDKScreen Cdk functions for keyboard traversal
• exitOKCDKScreenOf Cdk functions for keyboard traversal
• eXosip.h eXosip API
• eXosip2_authentication eXosip2 authentication API
• eXosip2_call eXosip2 INVITE and Call Management
• eXosip2_conf eXosip2 configuration API
• eXosip2_event eXosip2 event API
• eXosip2_faq FAQ
• eXosip2_install INSTALL
• eXosip2_license COPYING
• eXosip2_message eXosip2 request outside of dialog
• eXosip2_msg SIP messages and call control API The SIP messages and call control API.
• eXosip2_network eXosip2 network API
• eXosip2_notify eXosip2 SUBSCRIBE and incoming subscriptions
• eXosip2_options eXosip2 OPTIONS and UA capabilities Management
• eXosip2_publish eXosip2 Publication Management
• eXosip2_readme README
• eXosip2_refer eXosip2 REFER and blind tranfer Management outside of calls
• eXosip2_registration eXosip2 REGISTER and Registration Management
• eXosip2_sdp eXosip2 SDP helper API.
• eXosip2_setup General purpose API. general purpose API in libeXosip2-4.1.0.
• eXosip2_subscribe eXosip2 SUBSCRIBE and outgoing subscriptions
• eXosip_dns_cache
• eXosip_event
• eXosip_tls_credentials_s
• eXosip_tls_ctx_s
• exp base-e exponential function
• exp10 base-10 exponential function
• exp10f base-10 exponential function
• exp10l base-10 exponential function
• exp2 base-2 exponential function
• exp2f base-2 exponential function
• exp2l base-2 exponential function
• exp2read Translate to and from the Read structure.
• expand_number format a number from human readable form
• expanded Header file for NCEPLIBS-g2c library.
• expandtest image processing library
• ExperimentFile Manipulations of the Experiment File format
• expf base-e exponential function
• expl base-e exponential function
• explain Explain errno values returned by libc functions
• explain_accept explain accept(2) errors
• explain_accept4 explain accept4(2) errors
• explain_accept4_or_die accept a connection on a socket and report errors
• explain_accept_or_die accept a connection on a socket and report errors
• explain_access explain access(2) errors
• explain_access_or_die check permissions for a file and report errors
• explain_acct explain acct(2) errors
• explain_acct_or_die switch process accounting on or off and report errors
• explain_acl_from_text explain acl_from_text(3) errors
• explain_acl_from_text_or_die create an ACL from text and report errors
• explain_acl_get_fd explain acl_get_fd(3) errors
• explain_acl_get_fd_or_die Execute acl_get_fd(3) and report errors
• explain_acl_get_file explain acl_get_file(3) errors
• explain_acl_get_file_or_die Execute acl_get_file(3) and report errors
• explain_acl_set_fd explain acl_set_fd(3) errors
• explain_acl_set_fd_or_die set an ACL by file descriptor and report errors
• explain_acl_set_file explain acl_set_file(3) errors
• explain_acl_set_file_or_die set an ACL by filename and report errors
• explain_acl_to_text explain acl_to_text(3) errors
• explain_acl_to_text_or_die convert an ACL to text and report errors
• explain_adjtime explain adjtime(2) errors
• explain_adjtime_or_die smoothly tune kernel clock and report errors
• explain_adjtimex explain adjtimex(2) errors
• explain_adjtimex_or_die tune kernel clock and report errors
• explain_asprintf explain asprintf(3) errors
• explain_asprintf_or_die print to allocated string and report errors
• explain_bind explain bind(2) errors
• explain_bind_or_die bind a name to a socket and report errors
• explain_calloc explain calloc(3) errors
• explain_calloc_or_die Allocate and clear memory and report errors
• explain_chdir explain chdir(2) errors
• explain_chdir_or_die change working directory and report errors
• explain_chmod explain chmod(2) errors
• explain_chmod_or_die change permissions of a file and report errors
• explain_chown explain chown(2) errors
• explain_chown_or_die change ownership of a file and report errors
• explain_chroot explain chroot(2) errors
• explain_chroot_or_die change root directory and report errors
• explain_close explain close(2) errors
• explain_close_or_die close a file descriptor and report errors
• explain_closedir explain closedir(3) errors
• explain_closedir_or_die close a directory and report errors
• explain_connect explain connect(2) errors
• explain_connect_or_die initiate a connection on a socket and report errors
• explain_creat explain creat(2) errors
• explain_creat_or_die create and open a file creat and report errors
• explain_dirfd explain dirfd(3) errors
• explain_dirfd_or_die get directory stream file descriptor and report errors
• explain_dup explain dup(2) errors
• explain_dup2 explain dup2(2) errors
• explain_dup2_or_die duplicate a file descriptor and report errors
• explain_dup_or_die duplicate a file descriptor and report errors
• explain_endgrent explain endgrent(3) errors
• explain_endgrent_or_die finish group file accesses and report errors
• explain_eventfd explain eventfd(2) errors
• explain_eventfd_or_die create event notify file descriptor and report errors
• explain_execlp explain execlp(3) errors
• explain_execlp_or_die execute a file and report errors
• explain_execv explain execv(3) errors
• explain_execv_or_die execute a file and report errors
• explain_execve explain execve(2) errors
• explain_execve_or_die execute program and report errors
• explain_execvp explain execvp(3) errors
• explain_execvp_or_die execute a file and report errors
• explain_exit print an explanation of exit status before exiting
• explain_fchdir explain fchdir(2) errors
• explain_fchdir_or_die change directory and report errors
• explain_fchmod explain fchmod(2) errors
• explain_fchmod_or_die change permissions of an open file and report errors
• explain_fchown explain fchown(2) errors
• explain_fchown_or_die change ownership of a file and report errors
• explain_fchownat explain fchownat(2) errors
• explain_fchownat_or_die change ownership of a file relative to a directory and report errors
• explain_fclose explain fclose(3) errors
• explain_fclose_or_die close a stream and report errors
• explain_fcntl explain fcntl(2) errors
• explain_fcntl_or_die manipulate a file descriptor and report errors
• explain_fdopen explain fdopen(3) errors
• explain_fdopen_or_die stream open functions and report errors
• explain_fdopendir explain fdopendir(3) errors
• explain_fdopendir_or_die open a directory and report errors
• explain_feof explain feof(3) errors
• explain_feof_or_die check and reset stream status and report errors
• explain_ferror explain ferror(3) errors
• explain_ferror_or_die check stream status and report errors
• explain_fflush explain fflush(3) errors
• explain_fflush_or_die flush a stream and report errors
• explain_fgetc explain fgetc(3) errors
• explain_fgetc_or_die input of characters and report errors
• explain_fgetpos explain fgetpos(3) errors
• explain_fgetpos_or_die reposition a stream and report errors
• explain_fgets explain fgets(3) errors
• explain_fgets_or_die input of strings and report errors
• explain_filename obtain filename from file descriptor
• explain_fileno explain fileno(3) errors
• explain_fileno_or_die check and reset stream status and report errors
• explain_flock explain flock(2) errors
• explain_flock_or_die control advisory lock on open file and report errors
• explain_fopen explain fopen(3) errors
• explain_fopen_or_die open file and report errors
• explain_fork explain fork(2) errors
• explain_fork_or_die create a child process and report errors
• explain_fpathconf explain fpathconf(3) errors
• explain_fpathconf_or_die get file configuration and report errors
• explain_fprintf explain fprintf(3) errors
• explain_fprintf_or_die formatted output conversion and report errors
• explain_fpurge explain fpurge(3) errors
• explain_fpurge_or_die purge a stream and report errors
• explain_fputc explain fputc(3) errors
• explain_fputc_or_die output of characters and report errors
• explain_fputs explain fputs(3) errors
• explain_fputs_or_die write a string to a stream and report errors
• explain_fread explain fread(3) errors
• explain_fread_or_die binary stream input and report errors
• explain_freopen explain freopen(3) errors
• explain_freopen_or_die open file and report errors
• explain_fseek explain fseek(3) errors
• explain_fseek_or_die reposition a stream and report errors
• explain_fseeko explain fseeko(3) errors
• explain_fseeko_or_die seek to or report file position and report errors
• explain_fsetpos explain fsetpos(3) errors
• explain_fsetpos_or_die reposition a stream and report errors
• explain_fstat explain fstat(2) errors
• explain_fstat_or_die get file status and report errors
• explain_fstatat explain fstatat(2) errors
• explain_fstatat_or_die get file status relative to a dir fd and report errors
• explain_fstatfs explain fstatfs(2) errors
• explain_fstatfs_or_die get file system statistics and report errors
• explain_fstatvfs explain fstatvfs(2) errors
• explain_fstatvfs_or_die get file system statistics and report errors
• explain_fsync explain fsync(2) errors
• explain_fsync_or_die synchronize a file with storage device and report errors
• explain_ftell explain ftell(3) errors
• explain_ftell_or_die get stream position and report errors
• explain_ftello explain ftello(3) errors
• explain_ftello_or_die get stream position and report errors
• explain_ftime explain ftime(3) errors
• explain_ftime_or_die return date and time and report errors
• explain_ftruncate explain ftruncate(2) errors
• explain_ftruncate_or_die truncate a file and report errors
• explain_futimens explain futimens(3) errors
• explain_futimens_or_die change file timestamps and report errors
• explain_futimes explain futimes(3) errors
• explain_futimes_or_die change file timestamps and report errors
• explain_futimesat explain futimesat(2) errors
• explain_futimesat_or_die change timestamps of a file relative to a directory and report errors
• explain_fwrite explain fwrite(3) errors
• explain_fwrite_or_die binary stream output and report errors
• explain_getaddrinfo explain getaddrinfo(3) errors
• explain_getaddrinfo_or_die network address translation and report errors
• explain_getc explain getc(3) errors
• explain_getc_or_die input of characters and report errors
• explain_getchar explain getchar(3) errors
• explain_getchar_or_die input of characters and report errors
• explain_getcwd explain getcwd(2) errors
• explain_getcwd_or_die get current working directory and report errors
• explain_getdomainname explain getdomainname(2) errors
• explain_getdomainname_or_die get domain name and report errors
• explain_getgrent explain getgrent(3) errors
• explain_getgrent_or_die get group file entry and report errors
• explain_getgrouplist explain getgrouplist(3) errors
• explain_getgrouplist_or_die get list of groups and report errors
• explain_getgroups explain getgroups(2) errors
• explain_getgroups_or_die get supplementary group IDs and report errors
• explain_gethostbyname explain gethostbyname(3) errors
• explain_gethostbyname_or_die get host address by host name and report errors
• explain_gethostid explain gethostid(3) errors
• explain_gethostid_or_die get the unique identifier of the current host and report errors
• explain_gethostname explain gethostname(2) errors
• explain_gethostname_or_die get/set hostname and report errors
• explain_getpeername explain getpeername(2) errors
• explain_getpeername_or_die get name of peer socket and report errors
• explain_getpgid explain getpgid(2) errors
• explain_getpgid_or_die get process group and report errors
• explain_getpgrp explain getpgrp(2) errors
• explain_getpgrp_or_die get process group and report errors
• explain_getpriority explain getpriority(2) errors
• explain_getpriority_or_die get program scheduling priority and report errors
• explain_getresgid explain getresgid(2) errors
• explain_getresgid_or_die get r/e/s group IDs and report errors
• explain_getresuid explain getresuid(2) errors
• explain_getresuid_or_die get r/e/s user IDs and report errors
• explain_getrlimit explain getrlimit(2) errors
• explain_getrlimit_or_die get resource limits and report errors
• explain_getrusage explain getrusage(2) errors
• explain_getrusage_or_die get resource usage and report errors
• explain_getsockname explain getsockname(2) errors
• explain_getsockname_or_die get socket name and report errors
• explain_getsockopt explain getsockopt(2) errors
• explain_getsockopt_or_die get and set options on sockets and report errors
• explain_gettimeofday explain gettimeofday(2) errors
• explain_gettimeofday_or_die get time and report errors
• explain_getw explain getw(3) errors
• explain_getw_or_die input a word (int) and report errors
• explain_iconv explain iconv(3) errors
• explain_iconv_close explain iconv_close(3) errors
• explain_iconv_close_or_die deallocate conversion descriptor and report errors
• explain_iconv_open explain iconv_open(3) errors
• explain_iconv_open_or_die prepare for charset conversion and report errors
• explain_iconv_or_die perform character set conversion and report errors
• explain_ioctl explain ioctl(2) errors
• explain_ioctl_or_die control device and report errors
• explain_kill explain kill(2) errors
• explain_kill_or_die send signal to a process and report errors
• explain_lchmod explain lchmod(2) errors
• explain_lchmod_or_die change permissions of a file and report errors
• explain_lchown explain lchown(2) errors
• explain_lchown_or_die change ownership of a file and report errors
• explain_lchownat explain lchownat(2) errors
• explain_lchownat_or_die Execute lchownat(2) and report errors
• explain_link explain link(2) errors
• explain_link_or_die make a new name for a file and report errors
• explain_linkat explain linkat(2) errors
• explain_linkat_or_die link a file relative to directory and report errors
• explain_listen explain listen(2) errors
• explain_listen_or_die listen for connections on a socket and report errors
• explain_lseek explain lseek(2) errors
• explain_lseek_or_die reposition file offset and report errors
• explain_lstat explain lstat(3) errors
• explain_lstat_or_die get file status and report errors
• explain_lutimes explain lutimes(3) errors
• explain_lutimes_or_die modify file timestamps and report errors
• explain_malloc explain malloc(3) errors
• explain_malloc_or_die Allocate and free dynamic memory and report errors
• explain_mkdir explain mkdir(2) errors
• explain_mkdir_or_die create a directory and report errors
• explain_mkdtemp explain mkdtemp(3) errors
• explain_mkdtemp_or_die create a unique temporary directory and report errors
• explain_mknod explain mknod(2) errors
• explain_mknod_or_die create a special or ordinary file and report errors
• explain_mkostemp explain mkostemp(3) errors
• explain_mkostemp_or_die create a unique temporary file and report errors
• explain_mkstemp explain mkstemp(3) errors
• explain_mkstemp_or_die create a unique temporary file and report errors
• explain_mktemp explain mktemp(3) errors
• explain_mktemp_or_die make a unique temporary filename and report errors
• explain_mmap explain mmap(2) errors
• explain_mmap_or_die map file or device into memory and report errors
• explain_mount explain mount(2) errors
• explain_mount_or_die mount file system and report errors
• explain_munmap explain munmap(2) errors
• explain_munmap_or_die unmap a file or device from memory and report errors
• explain_nanosleep explain nanosleep(2) errors
• explain_nanosleep_or_die high‐resolution sleep and report errors
• explain_nice explain nice(2) errors
• explain_nice_or_die change process priority and report errors
• explain_open explain open(2) errors
• explain_open_or_die open file and report errors
• explain_openat explain openat(2) errors
• explain_openat_or_die open a file relative to a dir fd and report errors
• explain_opendir explain opendir(3) errors
• explain_opendir_or_die open a directory and report errors
• explain_output output error messages
• explain_pathconf explain pathconf(3) errors
• explain_pathconf_or_die get configuration values and report errors
• explain_pclose explain pclose(3) errors
• explain_pclose_or_die process I/O and report errors
• explain_pipe explain pipe(2) errors
• explain_pipe2 explain pipe2(2) errors
• explain_pipe2_or_die create pipe and report errors
• explain_pipe_or_die create pipe and report errors
• explain_poll explain poll(2) errors
• explain_poll_or_die wait for some event on file descriptor and report errors
• explain_popen explain popen(3) errors
• explain_popen_or_die process I/O and report errors
• explain_pread explain pread(2) errors
• explain_pread_or_die seek and read from a file descriptor and report errors
• explain_printf explain printf(3) errors
• explain_printf_or_die formatted output conversion and report errors
• explain_program_name manipulate the program name
• explain_ptrace explain ptrace(2) errors
• explain_ptrace_or_die process trace and report errors
• explain_putc explain putc(3) errors
• explain_putc_or_die output of characters and report errors
• explain_putchar explain putchar(3) errors
• explain_putchar_or_die output of characters and report errors
• explain_putenv explain putenv(3) errors
• explain_putenv_or_die change or add an environment variable and report errors
• explain_puts explain puts(3) errors
• explain_puts_or_die write a string and a newline to stdout and report errors
• explain_putw explain putw(3) errors
• explain_putw_or_die output a word (int) and report errors
• explain_pwrite explain pwrite(2) errors
• explain_pwrite_or_die seek and write to a file descriptor and report errors
• explain_raise explain raise(3) errors
• explain_raise_or_die send a signal to the caller and report errors
• explain_read explain read(2) errors
• explain_read_or_die read from a file descriptor and report errors
• explain_readdir explain readdir(2) errors
• explain_readdir_or_die read directory entry and report errors
• explain_readlink explain readlink(2) errors
• explain_readlink_or_die read value of a symbolic link and report errors
• explain_readv explain readv(2) errors
• explain_readv_or_die read data into multiple buffers and report errors
• explain_realloc explain realloc(3) errors
• explain_realloc_or_die Allocate and free dynamic memory and report errors
• explain_realpath explain realpath(3) errors
• explain_realpath_or_die return canonical pathname and report errors
• explain_remove explain remove(2) errors
• explain_remove_or_die delete a file and report errors
• explain_rename explain rename(2) errors
• explain_rename_or_die change the name of a file and report errors
• explain_rmdir explain rmdir(2) errors
• explain_rmdir_or_die delete a directory and report errors
• explain_select explain select(2) errors
• explain_select_or_die blah blah and report errors
• explain_setbuf explain setbuf(3) errors
• explain_setbuf_or_die set stream buffer and report errors
• explain_setbuffer explain setbuffer(3) errors
• explain_setbuffer_or_die stream buffering operations and report errors
• explain_setdomainname explain setdomainname(2) errors
• explain_setdomainname_or_die set domain name and report errors
• explain_setenv explain setenv(3) errors
• explain_setenv_or_die change or add an environment variable and report errors
• explain_setgid explain setgid(2) errors
• explain_setgid_or_die set group identity and report errors
• explain_setgrent explain setgrent(3) errors
• explain_setgrent_or_die rewind group database and report errors
• explain_setgroups explain setgroups(2) errors
• explain_setgroups_or_die set supplementary group IDs and report errors
• explain_sethostname explain sethostname(2) errors
• explain_sethostname_or_die get/set hostname and report errors
• explain_setlinebuf explain setlinebuf(3) errors
• explain_setlinebuf_or_die stream buffering operations and report errors
• explain_setpgid explain setpgid(2) errors
• explain_setpgid_or_die set process group and report errors
• explain_setpgrp explain setpgrp(2) errors
• explain_setpgrp_or_die set process group and report errors
• explain_setpriority explain setpriority(2) errors
• explain_setpriority_or_die set program scheduling priority and report errors
• explain_setregid explain setregid(2) errors
• explain_setregid_or_die set real and/or effective group ID and report errors
• explain_setresgid explain setresgid(2) errors
• explain_setresgid_or_die set r/e/s group ID and report errors
• explain_setresuid explain setresuid(2) errors
• explain_setresuid_or_die set r/e/s user ID and report errors
• explain_setreuid explain setreuid(2) errors
• explain_setreuid_or_die set the real and effective user ID and report errors
• explain_setsid explain setsid(2) errors
• explain_setsid_or_die sets process group ID and report errors
• explain_setsockopt explain setsockopt(2) errors
• explain_setsockopt_or_die get and set options on sockets and report errors
• explain_settimeofday explain settimeofday(2) errors
• explain_settimeofday_or_die sets system time and report errors
• explain_setuid explain setuid(2) errors
• explain_setuid_or_die set user identity and report errors
• explain_setvbuf explain setvbuf(3) errors
• explain_setvbuf_or_die stream buffering operations and report errors
• explain_shmat explain shmat(2) errors
• explain_shmat_or_die shared memory attach and report errors
• explain_shmctl explain shmctl(2) errors
• explain_shmctl_or_die shared memory control and report errors
• explain_signalfd explain signalfd(2) errors
• explain_signalfd_or_die create signalable file descriptor and report errors
• explain_sleep explain sleep(3) errors
• explain_sleep_or_die Sleep for a number of seconds and report errors
• explain_snprintf explain snprintf(3) errors
• explain_snprintf_or_die formatted output conversion and report errors
• explain_socket explain socket(2) errors
• explain_socket_or_die create an endpoint and report errors
• explain_socketpair explain socketpair(2) errors
• explain_socketpair_or_die create pair of connected sockets and report errors
• explain_sprintf explain sprintf(3) errors
• explain_sprintf_or_die formatted output conversion and report errors
• explain_stat explain stat(2) errors
• explain_stat_or_die get file status and report errors
• explain_statfs explain statfs(2) errors
• explain_statfs_or_die get file system statistics and report errors
• explain_statvfs explain statvfs(2) errors
• explain_statvfs_or_die get file system statistics and report errors
• explain_stime explain stime(2) errors
• explain_stime_or_die set system time and report errors
• explain_strcoll explain strcoll(3) errors
• explain_strcoll_or_die compare strings using current locale and report errors
• explain_strdup explain strdup(3) errors
• explain_strdup_or_die duplicate a string and report errors
• explain_strndup explain strndup(3) errors
• explain_strndup_or_die duplicate a string and report errors
• explain_strtod explain strtod(3) errors
• explain_strtod_or_die convert string to number and report errors
• explain_strtof explain strtof(3) errors
• explain_strtof_or_die convert string to number and report errors
• explain_strtol explain strtol(3) errors
• explain_strtol_or_die convert a string to a long integer and report errors
• explain_strtold explain strtold(3) errors
• explain_strtold_or_die convert string to number and report errors
• explain_strtoll explain strtoll(3) errors
• explain_strtoll_or_die convert a string to a long integer and report errors
• explain_strtoul explain strtoul(3) errors
• explain_strtoul_or_die convert string to unsigned long and report errors
• explain_strtoull explain strtoull(3) errors
• explain_strtoull_or_die convert string to integer and report errors
• explain_symlink explain symlink(2) errors
• explain_symlink_or_die make a new name for a file and report errors
• explain_system explain system(3) errors
• explain_system_or_die execute a shell command and report errors
• explain_tcdrain explain tcdrain(3) errors
• explain_tcdrain_or_die Execute tcdrain(3) and report errors
• explain_tcflow explain tcflow(3) errors
• explain_tcflow_or_die terminal flow control and report errors
• explain_tcflush explain tcflush(3) errors
• explain_tcflush_or_die discard terminal data and report errors
• explain_tcgetattr explain tcgetattr(3) errors
• explain_tcgetattr_or_die get terminal parameters and report errors
• explain_tcsendbreak explain tcsendbreak(3) errors
• explain_tcsendbreak_or_die send terminal line break and report errors
• explain_tcsetattr explain tcsetattr(3) errors
• explain_tcsetattr_or_die set terminal attributes and report errors
• explain_telldir explain telldir(3) errors
• explain_telldir_or_die current location in directory and report errors
• explain_tempnam explain tempnam(3) errors
• explain_tempnam_or_die create a name for a temporary file and report errors
• explain_time explain time(2) errors
• explain_time_or_die get time in seconds and report errors
• explain_timerfd_create explain timerfd_create(2) errors
• explain_timerfd_create_or_die create file descriptor timers and report errors
• explain_tmpfile explain tmpfile(3) errors
• explain_tmpfile_or_die create a temporary file and report errors
• explain_tmpnam explain tmpnam(3) errors
• explain_tmpnam_or_die create a name for a temporary file and report errors
• explain_truncate explain truncate(2) errors
• explain_truncate_or_die truncate a file and report errors