第2个回答 2018-12-28
#include #include void main() { FILE*fp; char ch; int i=0; printf("输入字符以#结尾:"); fp=fopen("file.txt","w"); ch=getchar(); while(ch!='#') { fputc(ch-32,fp); ch=getchar(); } fclose(fp); fp=fopen("file.txt","r"); ch=fgetc(fp); while(ch!=EOF) { putchar(ch); ch=fgetc(fp); } printf("\n"); fclose(fp); }