Breaks down a string containing a list of numbers into a float array. C code.

string2array.c

/*
Breaks down a string containing a list of numbers in a float array.

Recipe copied from here: https://stackoverflow.com/a/1862712/793218
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

int main() {
	char input[] = "1.2 2.3 3.4 4.5 5.6 6.7 7.8";
	char *delim = " "; // input separated by spaces
	char *token = NULL;
	char *unconverted;
	double value[7];
	int i;

	i=0;
	for (token = strtok(input, delim); token != NULL; token = strtok(NULL, delim)) {
		value[i] = strtod(token, &unconverted);
		if (!isspace(*unconverted) && *unconverted != 0) {
			/* Input string contains a character that's not valid
		 	   in a floating point constant */
			exit(1);
		}
		i++;
	}

	for (i=0; i<7; i++) {
		printf("%f\n", value[i]);
	}

}