Compilare: user.c: In function ‘getChar’: user.c:31:10: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, Dragoste, f); ^ user.c: In function ‘traceBack’: user.c:72:17: warning: ‘next.c’ may be used uninitialized in this function [-Wmaybe-uninitialized] stack[ss++].c = c; ^ user.c:79:8: note: ‘next.c’ was declared here pair next; ^ user.c:71:15: warning: ‘next.l’ may be used uninitialized in this function [-Wmaybe-uninitialized] stack[ss].l = l; ^ user.c:79:8: note: ‘next.l’ was declared here pair next; ^