traseu3.c: In function 'OK': traseu3.c:13: warning: array subscript has type 'char' traseu3.c:13: warning: array subscript has type 'char' traseu3.c:13: warning: array subscript has type 'char' traseu3.c: In function 'Lee': traseu3.c:31: warning: array subscript has type 'char' traseu3.c:31: warning: array subscript has type 'char' traseu3.c:31: warning: array subscript has type 'char' traseu3.c:31: warning: array subscript has type 'char' traseu3.c:31: warning: array subscript has type 'char' traseu3.c:31: warning: array subscript has type 'char' traseu3.c: In function 'back': traseu3.c:46: warning: array subscript has type 'char' traseu3.c:46: warning: array subscript has type 'char' traseu3.c:46: warning: array subscript has type 'char' traseu3.c: In function 'main': traseu3.c:58: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result traseu3.c:62: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result