Compilare: user.c: In function ‘main’: user.c:10:1: warning: implicit declaration of function ‘memset’ [-Wimplicit-function-declaration] memset(digits, 0, 10 * sizeof(int)); ^ user.c:10:1: warning: incompatible implicit declaration of built-in function ‘memset’ [enabled by default] user.c:18:1: warning: implicit declaration of function ‘isdigit’ [-Wimplicit-function-declaration] while(isdigit(ch = fgetc(file1))){ ^ user.c:15:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%d", &length); ^ user.c:33:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%d", &length); // nu e cel mai elegant mod posibil ^ user.c:36:1: warning: ‘pivot[1]’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=1; i<pivot[1]; i++){ ^ user.c:42:6: warning: ‘pivot[0]’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=pivot[0]+1; i<10 && !digits[i]; i++); ^