Compilare: main.c: In function 'invMod': main.c:23:5: warning: implicit declaration of function 'euclid' [-Wimplicit-function-declaration] 23 | euclid(a, m, &d, &x, &y); | ^~~~~~ main.c: At top level: main.c:31:6: warning: conflicting types for 'euclid' 31 | void euclid(int a, int m, int *d, int *x, int *y) { | ^~~~~~ main.c:23:5: note: previous implicit declaration of 'euclid' was here 23 | euclid(a, m, &d, &x, &y); | ^~~~~~