1 /* 2 * memswap() 3 * 4 * Swaps the contents of two nonoverlapping memory areas. 5 * This really could be done faster... 6 */ 7 8 #include <string.h> 9 memswap(void * m1,void * m2,size_t n)10void memswap(void *m1, void *m2, size_t n) 11 { 12 char *p = m1; 13 char *q = m2; 14 char tmp; 15 16 while (n--) { 17 tmp = *p; 18 *p = *q; 19 *q = tmp; 20 21 p++; 22 q++; 23 } 24 } 25