ref: a70b93a356662355214f5405edda066786f6dd03
dir: /sys/src/libstdio/iolib.h/
/* * pANS stdio -- definitions * The following names are defined in the pANS: * FILE fpos_t _IOFBF _IOLBF _IONBF * BUFSIZ EOF FOPEN_MAX FILENAME_MAX L_tmpnam * SEEK_CUR SEEK_END SEEK_SET TMP_MAX stderr * stdin stdout remove rename tmpfile * tmpnam fclose fflush fopen freopen * setbuf setvbuf fprintf fscanf printf * scanf sprintf sscanf vfprintf vprintf * vsprintf fgetc fgets fputc fputs * getc getchar gets putc putchar * puts ungetc fread fwrite fgetpos * fseek fsetpos ftell rewind clearerr * feof ferror perror * * (But plan9 version omits remove and rename, because they are in libc) */ #include <u.h> #include <libc.h> #undef END #include "Stdio.h" /* * Flag bits */ #define BALLOC 1 /* did stdio malloc fd->buf? */ #define LINEBUF 2 /* is stream line buffered? */ #define STRING 4 /* output to string, instead of file */ #define APPEND 8 /* append mode output */ /* * States */ #define CLOSED 0 /* file not open */ #define OPEN 1 /* file open, but no I/O buffer allocated yet */ #define RDWR 2 /* open, buffer allocated, ok to read or write */ #define RD 3 /* open, buffer allocated, ok to read but not write */ #define WR 4 /* open, buffer allocated, ok to write but not read */ #define ERR 5 /* open, but an uncleared error occurred */ #define END 6 /* open, but at eof */ int _IO_setvbuf(FILE *); /* half hearted attempt to make multi threaded */ extern QLock _stdiolk;