man uint32_pack () - write an unsigned little-endian 32-bit integer
NAME
uint32_pack - write an unsigned little-endian 32-bit integer
SYNTAX
#include <uint32.h>
uint32 u;
void uint32_pack(char s[4],uint32 u);
DESCRIPTION
uint32 is a 32-bit unsigned integer type, normally either unsigned int or unsigned long.
uint32_pack portably writes a uint32 u to s in little-endian byte order.