C语言函数大全S

int main(void)\r(\rchar "string = "abcdefghijklmnopqrstuvwxyz", *ptr;\r/* converts string to upper case characters */\rptr = strupr(string);\rprintf (//%s\n//, ptr);\rreturn 0;\r 00pswab\r1 2 pòçwó\r@ `pvoid swab (char *from, char *to, int nbytes);\rp\r#include <stdlib.h>\r#include <stdio. h>\rttinclude <string. h>.\rchar source[15] = WrFna koBlrna dWŽ\rchar target [15];\rint main(void)\r(\rswab(source, target, strlen(source));\rprintf (z/This is target: %s\n”, target);\rreturn 0;\r)\r 00psystem\r1 2 pŠu7¬DOSôõ\r@ `pint system (char *command);\rp\r#include <stdlib.h>\r#include <stdio. h>\rint main(void)\rprintf (/zAbout to spawn command, com and run a DOS command\n/z) ;\rsystem(WdirW)Ž\rreturn 0;