#include <stdio.h> #include <string.h> int main(){ char num[100]; int i,len; gets(num); len=strlen(str); for(i=len-1;i>=0;i--) printf("%c",num[i]); return 0; } /* Main.c: In function 'main': Main.c:6:2: warning: 'gets' is deprecated (declared at /usr/include/stdio.h:638) [-Wdeprecated-declarations] gets(num); ^ Main.c:7:13: error: 'str' undeclared (first use in this function) len=strlen(str); ^ Main.c:7:13: note: each undeclared identifier is reported only once for each function it appears in */ |
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