#include <stdio.h> #include <string.h> int main(){ char buf[100]; int i; gets(buf); for(i=0;i<strlen(buf);i++){ if(ischar(buf[i])) putchar(buf[i]); } } /* Main.c: In function 'main': Main.c:7:3: warning: 'gets' is deprecated (declared at /usr/include/stdio.h:638) [-Wdeprecated-declarations] gets(buf); ^ Main.c:9:5: warning: implicit declaration of function 'ischar' [-Wimplicit-function-declaration] if(ischar(buf[i])) ^ /tmp/cc9MQ2eE.o: In function `main': Main.c:(.text+0x11): warning: the `gets' function is dangerous and should not be used. Main.c:(.text+0x33): undefined reference to `ischar' collect2: error: ld returned 1 exit status */ |
Double click to view unformatted code.