Compilare: user.c: In function ‘main’: user.c:28:9: warning: implicit declaration of function ‘strlen’ [-Wimplicit-function-declaration] len = strlen(n); ^ user.c:28:15: warning: incompatible implicit declaration of built-in function ‘strlen’ [enabled by default] len = strlen(n); ^ user.c:24:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(inFile, "%d", &t); ^ user.c:27:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(inFile, "%s", n); ^