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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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64 lines
907 B
C
64 lines
907 B
C
#define BLEN 512
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struct iob {
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int fd; /*file descriptor*/
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int cc; /*char count*/
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char *cp; /*ptr to next char*/
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char cbuf[BLEN]; /*char buffer*/
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};
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fcreat(fname,ibuf,x)
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char *fname;
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int x;
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register struct iob *ibuf;
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{
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ibuf->cc = BLEN; /*no chars*/
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ibuf->cp = &(ibuf->cbuf[0]);
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x = (x == 0) ? 0 : 1;
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return(ibuf->fd=creat(fname,2,x));
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}
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putc(c,ibuf)
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char c;
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register struct iob *ibuf;
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{
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if(ibuf->cc<=0) {
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ibuf->cp = &(ibuf->cbuf[0]);
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if(write(ibuf->fd,ibuf->cp,BLEN) != BLEN)
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return(-1);
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ibuf->cc = BLEN;
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}
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*(ibuf->cp)++ = c;
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ibuf->cc--;
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return(c);
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}
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putw(w,ibuf)
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int w;
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register struct iob *ibuf;
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{
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register j;
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int i;
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putc((w>>8)&0xff,ibuf);
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putc(w&0xff,ibuf);
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return(w);
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}
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myfflush(ibuf)
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register struct iob *ibuf;
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{
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register i;
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i = BLEN - ibuf->cc;
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ibuf->cc = BLEN;
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ibuf->cp = &(ibuf->cbuf[0]);
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if(write(ibuf->fd,ibuf->cp,i) != i)
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return(-1);
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return(0);
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}
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