void hh() { scanf("%d %d",&a,&b); printf("%d",a+b); } /* Main.c: In function 'hh': Main.c:3:3: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration] scanf("%d %d",&a,&b); ^ Main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' Main.c:3:18: error: 'a' undeclared (first use in this function) scanf("%d %d",&a,&b); ^ Main.c:3:18: note: each undeclared identifier is reported only once for each function it appears in Main.c:3:21: error: 'b' undeclared (first use in this function) scanf("%d %d",&a,&b); ^ Main.c:4:1: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration] printf("%d",a+b); ^ Main.c:4:1: warning: incompatible implicit declaration of built-in function 'printf' */ |
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