#include <stdio.h> #include <stdlib.h> #include <ctype.h> int main() { char c; /* 譁�ュ苓ェュ縺ソ蜿悶j逕ィ縺ョ螟画焚 */ FILE *fpin, *fpout; if((fpin = fopen("input1.txt", "r")) == NULL){ fprintf(stderr, "Failed to open: input1.txt\n"); exit(1); } if((fpout = fopen("output1b.txt", "w")) == NULL){ fprintf(stderr, "Failed to open: output1b.txt\n"); fclose(fpin); exit(2); } while(fscanf(fpin, "%c", &c) != EOF){ printf("%c", c); fprintf(fpout, "%c", c); } fclose(fpin); if((fpin = fopen("input1.txt", "r")) == NULL){ fprintf(stderr, "Failed to open: input1.txt\n"); exit(1); } printf("\n"); fprintf(fpout, "\n"); while(fscanf(fpin, "%c", &c) != EOF){ printf("%c", toupper(c)); fprintf(fpout, "%c", toupper(c)); } fclose(fpin); fclose(fpout); return 0; }