Compilare: user.c: In function ‘main’: user.c:99:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] s = trans[s][Text[i]]; ^ user.c:85:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, s, N; ^ user.c: At top level: user.c:34:12: warning: ‘rabin_karp’ defined but not used [-Wunused-function] static int rabin_karp(size_t tlen, size_t plen) ^ user.c: In function ‘main’: user.c:87:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in", "r", stdin); ^ user.c:88:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out", "w", stdout); ^ user.c:90:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s %s", Pattern, Text); ^ user.c:18:19: warning: ‘N’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (i = 0; i < n && i < MMAX; i++) ^ user.c:85:18: note: ‘N’ was declared here int i, j, s, N; ^