DragonFly On-Line Manual Pages

STRSPN(3)             DragonFly Library Functions Manual             STRSPN(3)

NAME
     strspn -- span a string

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     size_t
     strspn(const char *s, const char *charset);

DESCRIPTION
     The strspn() function spans the initial part of the null-terminated
     string s as long as the characters from s occur in the null-terminated
     string charset.  In other words, it computes the string array index in s
     of the first character of s which is not in charset, else the index of
     the first null character.

RETURN VALUES
     The strspn() function returns the number of characters spanned.

SEE ALSO
     memchr(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3),
     strstr(3), strtok(3)

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

DragonFly 3.5                    June 4, 1993                    DragonFly 3.5