Compilare: user.c:22:13: warning: "/*" within comment user.c: In function ‘search’: user.c:53: warning: integer constant is too large for ‘long’ type user.c: In function ‘main’: user.c:66: warning: format ‘%d’ expects type ‘int *’, but argument 3 has type ‘long long int *’ user.c:66: warning: format ‘%d’ expects type ‘int *’, but argument 4 has type ‘long long int *’ user.c:66: warning: format ‘%d’ expects type ‘int *’, but argument 5 has type ‘long long int *’ user.c:68: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long long int’ user.c:66: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result