scan_plusminus - Man Page
parse '+' or '-'
Syntax
#include <scan.h>
size_t scan_plusminus(const char *src,int *dest);
Description
scan_plusminus parses an ASCII '+' or '-' sign from src, sets dest 1 or -1, respectively, and returns 1.
If neither is found, '+' is assumed and 0 is returned.