45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* pANS stdio -- definitions
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* The following names are defined in the pANS:
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* FILE fpos_t _IOFBF _IOLBF _IONBF
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* BUFSIZ EOF FOPEN_MAX FILENAME_MAX L_tmpnam
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* SEEK_CUR SEEK_END SEEK_SET TMP_MAX stderr
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* stdin stdout remove rename tmpfile
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* tmpnam fclose fflush fopen freopen
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* setbuf setvbuf fprintf fscanf printf
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* scanf sprintf sscanf vfprintf vprintf
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* vsprintf fgetc fgets fputc fputs
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* getc getchar gets putc putchar
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* puts ungetc fread fwrite fgetpos
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* fseek fsetpos ftell rewind clearerr
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* feof ferror perror
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*
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* (But plan9 version omits remove and rename, because they are in libc)
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*/
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#include <u.h>
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#include <libc.h>
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#undef END
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#include "Stdio.h"
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/*
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* Flag bits
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*/
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#define BALLOC 1 /* did stdio malloc fd->buf? */
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#define LINEBUF 2 /* is stream line buffered? */
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#define STRING 4 /* output to string, instead of file */
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#define APPEND 8 /* append mode output */
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/*
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* States
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*/
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#define CLOSED 0 /* file not open */
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#define OPEN 1 /* file open, but no I/O buffer allocated yet */
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#define RDWR 2 /* open, buffer allocated, ok to read or write */
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#define RD 3 /* open, buffer allocated, ok to read but not write */
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#define WR 4 /* open, buffer allocated, ok to write but not read */
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#define ERR 5 /* open, but an uncleared error occurred */
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#define END 6 /* open, but at eof */
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int _IO_setvbuf(FILE *);
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/* half hearted attempt to make multi threaded */
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extern QLock _stdiolk;
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