883 	struct shf *shf;  member
1097 #define shf_fileno(shf)		((shf)->fd)  argument
1098 #define shf_setfileno(shf,nfd)	((shf)->fd = (nfd))  argument
1099 #define shf_getc_i(shf)		((shf)->rnleft > 0 ? \  argument
1102 #define shf_putc_i(c, shf)	((shf)->wnleft == 0 ? \  argument
1105 #define shf_eof(shf)		((shf)->flags & SHF_EOF)  argument
1106 #define shf_error(shf)		((shf)->flags & SHF_ERROR)  argument
1107 #define shf_errno(shf)		((shf)->errnosv)  argument
1108 #define shf_clearerr(shf)	((shf)->flags &= ~(SHF_EOF | SHF_ERROR))  argument
1132 struct shf {  struct
1133 	Area *areap;		/* area shf/buf were allocated in */  argument
1147 extern struct shf shf_iob[];  argument
1557 		struct shf *shf;	/* shell file */  member