NAME

u64_scan, u64_scan0 - Read an u64 value from a decimal string

u64_xscan, u64_xscan0 - Read an u64 value from an hexadecimal string

u64_oscan, u64_oscan0 - Read an u64 value from an octal string

u64_bscan, u64_bscan0 - Read an u64 value from a binary string

SYNOPSIS

#include <limb/u64.h>

size_t u64_scan(u64 *dst, const char *s)
size_t u64_scan0(u64 *dst, const char *s)

size_t u64_xscan(u64 *dst, const char *s)
size_t u64_xscan0(u64 *dst, const char *s)

size_t u64_oscan(u64 *dst, const char *s)
size_t u64_oscan0(u64 *dst, const char *s)

size_t u64_bscan(u64 *dst, const char *s)
size_t u64_bscan0(u64 *dst, const char *s)

DESCRIPTION

The u64_scan() function will place into dst the number read as a decimal value from the string s, stopping as soon as a character isn't valid.

The u64_scan0() function is similar but expects the string to contain a valid value and nothing else, stopping with a NUL-terminating byte.

The u64_xscan() and u64_xscan0() functions are similar, but expecting an hexadecimal value in s.

The u64_oscan() and u64_oscan0() functions are similar, but expecting an octal value in s.

The u64_bscan() and u64_bscan0() functions are similar, but expecting a binary value in s.

RETURN VALUE

The u64_*scan family of functions return the number of characters read from s (starting at 0 when the first character is invalid).

The u64_*scan0 family of functions return the number of characters read from s or 0 on error.

ERRORS

The u64_*scan0 family of functions may fail and set errno if :