#include char * strtoupper(char *string) { int i; for (i = 0; i < strlen(string); i++) string[i] = toupper((unsigned char) string[i]); return string; } void main(char argc, char **argv) { char str[250]; int sw = 0; while (fgets(str, 240, stdin)) { if (sw == 0) printf("%s", strtoupper(str)); } }