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STRXFRM(3)                              BSD Library Functions Manual                              STRXFRM(3)

NAME
     strxfrm, strxfrm_l -- transform a string under locale

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     size_t
     strxfrm(char *restrict s1, const char *restrict s2, size_t n);

     #include <string.h>
     #include <xlocale.h>

     size_t
     strxfrm_l(char *restrict s1, const char *restrict s2, size_t n, locale_t loc);

DESCRIPTION
     The strxfrm() function transforms a null-terminated string pointed to by s2 according to the current
     locale collation if any, then copies the transformed string into s1.  Not more than n characters are
     copied into s1, including the terminating null character added.  If n is set to 0 (it helps to deter-mine determine
     mine an actual size needed for transformation), s1 is permitted to be a NULL pointer.

     Comparing two strings using strcmp() after strxfrm() is equal to comparing two original strings with
     strcoll().

     Although the strxfrm() function uses the current locale, the strxfrm_l() function may be passed a
     locale directly. See xlocale(3) for more information.

RETURN VALUES
     Upon successful completion, strxfrm() returns the length of the transformed string not including the
     terminating null character.  If this value is n or more, the contents of s1 are indeterminate.

SEE ALSO
     setlocale(3), strcmp(3), strcoll(3), wcsxfrm(3), xlocale(3)

STANDARDS
     The strxfrm() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                                             June 4, 1993                                             BSD