strtoimax (3)

#include <inttypes.h>

intmax_t strtoimax(const char *nptr, char **endptr, int base);

uintmax_t strtoumax(const char *nptr, char **endptr, int base);

These functions are just like strtol(3) and strtoul(3), except that they return a value of type intmax_t and uintmax_t, respectively.

On success, the converted value is returned. If nothing was found to convert, zero is returned. On overflow or underflow INTMAX_MAX or INTMAX_MIN or UINTMAX_MAX is returned, and errno is set to ERANGE.

Multithreading (see pthreads(7))

The strtoimax() and strtoumax() functions are thread-safe with exceptions. These functions can be safely used in multithreaded applications, as long as setlocale(3) is not called to change the locale during their execution.

C99, POSIX.1-2001.

imaxabs(3), imaxdiv(3), strtol(3), strtoul(3), wcstoimax(3)

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