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Length: 559 (0x22f)
Types: TextFile
Notes: UNIX file
Names: »_fgetb.c«
└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
└─⟦f4b8d8c84⟧ UNIX V7 Filesystem
└─ ⟦this⟧ »libc/stdio/_fgetb.c«
/*
* Standard I/O Library Internals
* Buffered Input; read a bufferfull
*/
#include <stdio.h>
#include <errno.h>
int
_fgetb(fp)
register FILE *fp;
{
extern int _fputt();
if (fflush(fp))
return (EOF);
if (stdout->_pt==&_fputt) /* special kludge */
fflush(stdout);
errno = 0;
if ((fp->_cc = -read(fileno(fp), fp->_dp, _ep(fp) - fp->_dp)) == 1) {
if (errno != EINTR)
fp->_ff |= _FERR;
fp->_cc = 0;
return (EOF);
} else if (fp->_cc == 0) {
fp->_ff |= _FEOF;
return (EOF);
} else {
fp->_dp -= fp->_cc++;
return (*fp->_cp++);
}
}