gistfile1.c

#include <stdint.h>

extern uint32_t
read_le32(
        uint8_t data[4]
) {
        register uint32_t res = 0;

        res |= data[0] <<  0;
        res |= data[1] <<  8;
        res |= data[2] << 16;
        res |= data[3] << 24;

        return res;
}

extern uint32_t
read_be32(
        uint8_t data[4]
) {
        register uint32_t res = 0;

        res |= data[0] << 24;
        res |= data[1] << 16;
        res |= data[2] <<  8;
        res |= data[3] <<  0;

        return res;
}