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 string charset.

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'').

BSD                              June 4, 1993                              BSD