Compilare: main.c: In function 'main': main.c:9:5: warning: implicit declaration of function 'gets' [-Wimplicit-function-declaration] gets(t); ^~~~ main.c:18:30: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=] fprintf (fout, "%d ", pch-s); ^ main.c:7:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen ("strmatch.in", "r", stdin); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./ccFRgiQT.o: In function `main': main.c:(.text.startup+0x38): warning: the `gets' function is dangerous and should not be used.