Compilare: user.c: In function ‘main’: user.c:25: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:28: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘dropseqs’: user.c:64: warning: unused variable ‘l’ user.c: In function ‘main’: user.c:43: warning: control reaches end of non-void function user.c: In function ‘kmpdist’: user.c:109: warning: ‘r’ may be used uninitialized in this function