radare2/libr/util/t/test_file_slurp_hexpairs.c

#include <stdio.h>
#include <r_util.h>

int main(int argc, char *argv[]) {
	int i, size;
	ut8 *ret = r_file_slurp_hexpairs("hexpairs.txt", &size);

	if (ret) {
		for (i=0;i<size;i++)
			putchar(ret[i]);
	} else printf("Error processing the file.\n");

	return 0;
}