get length of a prefix substring NAME strspn, strcspn - get length of a prefix substring LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #in...get length of a prefix substring NAME strspn, strcspn - get length of a prefix substring LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #in......t * reject ); DESCRIPTION The wcscspn () function is the wide-character equivalent of the strcspn (3) function. It determines the length of the longest initial segment of wcs wh…string operations NAME stpcpy, strcasecmp, strcat, strchr, strcmp, strcoll, strcpy, strcspn, strdup, strfry, strlen, strncat, strncmp, strncpy, strncasecmp, strpbrk, strrchr, strse…