man scan_whitenskip () - skip whitespace
NAME
scan_whitenskip - skip whitespace
SYNTAX
#include <scan.h>
long scan_whitenskip(const char *src,unsigned long *limit);
DESCRIPTION
scan_whitenskip returns the length of the maximum prefix of src that consists solely of whitespace characters as defined by isspace.
Normally, this is ' ', '\f', '\n', '\r', '\t', '\v'.