Compilare: user.c: In function ‘find’: user.c:15:5: warning: ‘return’ with a value, in function returning void [enabled by default] return INF; ^ user.c: In function ‘main’: user.c:46:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, MAXL + 2, in); ^ user.c:51:33: warning: ‘len’ may be used uninitialized in this function [-Wmaybe-uninitialized] long long x, cmut, rez = INF, len; ^ user.c:80:13: warning: ‘cmut’ may be used uninitialized in this function [-Wmaybe-uninitialized] crez += n + cmut; ^