/in/foo.c: In function 'main':
/in/foo.c:54:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'unsigned char *' [-Wformat=]
scanf("%d",&Format);
^
/in/foo.c:57:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
DataLen = strlen(DataTab);
^~~~~~
/in/foo.c:57:15: warning: incompatible implicit declaration of built-in function 'strlen'
/in/foo.c:57:15: note: include '<string.h>' or provide a declaration of 'strlen'
/in/foo.c:57:22: warning: pointer targets in passing argument 1 of 'strlen' differ in signedness [-Wpointer-sign]
DataLen = strlen(DataTab);
^~~~~~~
/in/foo.c:57:22: note: expected 'const char *' but argument is of type 'unsigned char *'