cifru5.c: In function 'main': cifru5.c:14: warning: format '%d' expects type 'int *', but argument 3 has type 'char *' cifru5.c:24: warning: implicit declaration of function 'abs' cifru5.c:10: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result cifru5.c:14: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result cifru5.c:9: warning: 'co' may be used uninitialized in this function