ustrtod(3) - Linux man page
Name
ustrtod - Converts a string into a floating point number. Allegro game programming library.Synopsis
#include <allegro.h>double ustrtod(const char *s, char **endp);
Description
This function converts as many characters of 's' that look like a floating point number into one, and sets '*endp' to point to the first unused character, if 'endp' is not a NULL pointer. Example:char *endp, *string = "456.203 askdfg"; double number = ustrtod(string, &endp);