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STRXFRM(3) Linux Programmer's Manual STRXFRM(3)
NAME
strxfrm - string transformation
SYNOPSIS
#include <string.h>
size_t strxfrm(char *restrict dest, const char *restrict src,
size_t n);
DESCRIPTION
The strxfrm() function transforms the src string into a form such that the result of strcmp(3) on two strings that have been transformed with strxfrm() is the
same as the result of strcoll(3) on the two strings before their transformation. The first n bytes of the transformed string are placed in dest. The transfor‐
mation is based on the program's current locale for category LC_COLLATE. (See setlocale(3)).
RETURN VALUE
The strxfrm() function returns the number of bytes required to store the transformed string in dest excluding the terminating null byte ('\0'). If the value re‐
turned is n or more, the contents of dest are indeterminate.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬───────────────┬────────────────┐
│Interface │ Attribute │ Value │
├───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼───────────────┼────────────────┤
│strxfrm() │ Thread safety │ MT-Safe locale │
└───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┴───────────────┴────────────────┘
CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
SEE ALSO
bcmp(3), memcmp(3), setlocale(3), strcasecmp(3), strcmp(3), strcoll(3), string(3)
GNU 2021-03-22 STRXFRM(3)