Compilare: user.c: In function ‘main’: user.c:39:3: warning: implicit declaration of function ‘strtok_r’ [-Wimplicit-function-declaration] tokenVirgula = strtok_r(auxiliar, ",", &end_Virgula); ^ user.c:39:16: warning: assignment makes pointer from integer without a cast [enabled by default] tokenVirgula = strtok_r(auxiliar, ",", &end_Virgula); ^ user.c:43:16: warning: assignment makes pointer from integer without a cast [enabled by default] tokenPuncte = strtok_r(auxPuncte, ":", &end_Puncte); ^ user.c:47:20: warning: assignment makes pointer from integer without a cast [enabled by default] tokenGhilimele = strtok_r(auxGhilimele, "\"", &end_Ghilimele); ^ user.c:59:21: warning: assignment makes pointer from integer without a cast [enabled by default] tokenGhilimele = strtok_r(0, "\"", &end_Ghilimele); ^ user.c:65:20: warning: assignment makes pointer from integer without a cast [enabled by default] tokenGhilimele = strtok_r(auxGhilimele, "\"", &end_Ghilimele); ^ user.c:77:17: warning: assignment makes pointer from integer without a cast [enabled by default] tokenVirgula = strtok_r(0, ",", &end_Virgula); ^ user.c:35:22: warning: unused variable ‘contCont’ [-Wunused-variable] int contHeader = 0, contCont = 0; ^ user.c:34:7: warning: unused variable ‘contents’ [-Wunused-variable] char contents[256][1024]; ^ user.c:15:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("convertor.in", "r", stdin); ^ user.c:16:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("convertor.out", "w", stdout); ^ /tmp/ccVemEio.o: In function `main': user.c:(.text.startup+0x83): warning: the `gets' function is dangerous and should not be used.