13e12c5d1SDavid du Colombier #ifndef _STDIO_H_ 23e12c5d1SDavid du Colombier #define _STDIO_H_ 33e12c5d1SDavid du Colombier #pragma lib "/$M/lib/ape/libap.a" 43e12c5d1SDavid du Colombier 53e12c5d1SDavid du Colombier /* 63e12c5d1SDavid du Colombier * pANS stdio.h 73e12c5d1SDavid du Colombier */ 83e12c5d1SDavid du Colombier #include <stdarg.h> 93e12c5d1SDavid du Colombier #include <stddef.h> 103e12c5d1SDavid du Colombier /* 113e12c5d1SDavid du Colombier * According to X3J11, there is only one i/o buffer 123e12c5d1SDavid du Colombier * and it must not be occupied by both input and output data. 133e12c5d1SDavid du Colombier * If rp<wp, we must have state==RD and 143e12c5d1SDavid du Colombier * if wp<rp, we must have state==WR, so that getc and putc work correctly. 153e12c5d1SDavid du Colombier * On open, rp, wp and buf are set to 0, so first getc or putc will call _IO_getc 163e12c5d1SDavid du Colombier * or _IO_putc, which will allocate the buffer. 173e12c5d1SDavid du Colombier * If setvbuf(., ., _IONBF, .) is called, bufl is set to 0 and 183e12c5d1SDavid du Colombier * buf, rp and wp are pointed at unbuf. 193e12c5d1SDavid du Colombier * If setvbuf(., ., _IOLBF, .) is called, _IO_putc leaves wp and rp pointed at the 203e12c5d1SDavid du Colombier * end of the buffer so that it can be called on each putc to check whether it's got 213e12c5d1SDavid du Colombier * a newline. This nonsense is in order to avoid impacting performance of the other 223e12c5d1SDavid du Colombier * buffering modes more than necessary -- putting the test in putc adds many 233e12c5d1SDavid du Colombier * instructions that are wasted in non-_IOLBF mode: 243e12c5d1SDavid du Colombier * #define putc(c, f) (_IO_ctmp=(c),\ 253e12c5d1SDavid du Colombier * (f)->wp>=(f)->rp || (f)->flags&LINEBUF && _IO_ctmp=='\n'\ 263e12c5d1SDavid du Colombier * ?_IO_putc(_IO_ctmp, f)\ 273e12c5d1SDavid du Colombier * :*(f)->wp++=_IO_ctmp) 283e12c5d1SDavid du Colombier * 293e12c5d1SDavid du Colombier */ 303e12c5d1SDavid du Colombier typedef struct{ 313e12c5d1SDavid du Colombier int fd; /* UNIX file pointer */ 323e12c5d1SDavid du Colombier char flags; /* bits for must free buffer on close, line-buffered */ 333e12c5d1SDavid du Colombier char state; /* last operation was read, write, position, error, eof */ 343e12c5d1SDavid du Colombier char *buf; /* pointer to i/o buffer */ 353e12c5d1SDavid du Colombier char *rp; /* read pointer (or write end-of-buffer) */ 363e12c5d1SDavid du Colombier char *wp; /* write pointer (or read end-of-buffer) */ 373e12c5d1SDavid du Colombier char *lp; /* actual write pointer used when line-buffering */ 383e12c5d1SDavid du Colombier size_t bufl; /* actual length of buffer */ 393e12c5d1SDavid du Colombier char unbuf[1]; /* tiny buffer for unbuffered io (used for ungetc?) */ 403e12c5d1SDavid du Colombier }FILE; 413e12c5d1SDavid du Colombier typedef long fpos_t; 423e12c5d1SDavid du Colombier #ifndef NULL 433e12c5d1SDavid du Colombier #define NULL 0 443e12c5d1SDavid du Colombier #endif 453e12c5d1SDavid du Colombier /* 463e12c5d1SDavid du Colombier * Third arg of setvbuf 473e12c5d1SDavid du Colombier */ 483e12c5d1SDavid du Colombier #define _IOFBF 1 /* block-buffered */ 493e12c5d1SDavid du Colombier #define _IOLBF 2 /* line-buffered */ 503e12c5d1SDavid du Colombier #define _IONBF 3 /* unbuffered */ 513e12c5d1SDavid du Colombier #define BUFSIZ 4096 /* size of setbuf buffer */ 523e12c5d1SDavid du Colombier #define EOF (-1) /* returned on end of file */ 533e12c5d1SDavid du Colombier #define FOPEN_MAX 90 /* max files open */ 543e12c5d1SDavid du Colombier #define FILENAME_MAX BUFSIZ /* silly filename length */ 553e12c5d1SDavid du Colombier #define L_tmpnam 20 /* sizeof "/tmp/abcdefghij9999 */ 563e12c5d1SDavid du Colombier #define L_cuserid 32 /* maximum size user name */ 573e12c5d1SDavid du Colombier #define L_ctermid 32 /* size of name of controlling tty */ 583e12c5d1SDavid du Colombier #define SEEK_CUR 1 593e12c5d1SDavid du Colombier #define SEEK_END 2 603e12c5d1SDavid du Colombier #define SEEK_SET 0 613e12c5d1SDavid du Colombier #define TMP_MAX 64 /* very hard to set correctly */ 623e12c5d1SDavid du Colombier #define stderr (&_IO_stream[2]) 633e12c5d1SDavid du Colombier #define stdin (&_IO_stream[0]) 643e12c5d1SDavid du Colombier #define stdout (&_IO_stream[1]) 653e12c5d1SDavid du Colombier #define _IO_CHMASK 0377 /* mask for 8 bit characters */ 663e12c5d1SDavid du Colombier 673e12c5d1SDavid du Colombier #ifdef __cplusplus 683e12c5d1SDavid du Colombier extern "C" { 693e12c5d1SDavid du Colombier #endif 703e12c5d1SDavid du Colombier 713e12c5d1SDavid du Colombier extern int remove(const char *); 723e12c5d1SDavid du Colombier extern int rename(const char *, const char *); 733e12c5d1SDavid du Colombier extern FILE *tmpfile(void); 743e12c5d1SDavid du Colombier extern char *tmpnam(char *); 753e12c5d1SDavid du Colombier extern int fclose(FILE *); 763e12c5d1SDavid du Colombier extern int fflush(FILE *); 773e12c5d1SDavid du Colombier extern FILE *fopen(const char *, const char *); 783e12c5d1SDavid du Colombier extern FILE *freopen(const char *, const char *, FILE *); 793e12c5d1SDavid du Colombier extern void setbuf(FILE *, char *); 803e12c5d1SDavid du Colombier extern int setvbuf(FILE *, char *, int, size_t); 813e12c5d1SDavid du Colombier extern int fprintf(FILE *, const char *, ...); 823e12c5d1SDavid du Colombier extern int fscanf(FILE *, const char *, ...); 833e12c5d1SDavid du Colombier extern int printf(const char *, ...); 843e12c5d1SDavid du Colombier extern int scanf(const char *, ...); 853e12c5d1SDavid du Colombier extern int sprintf(char *, const char *, ...); 863e12c5d1SDavid du Colombier extern int sscanf(const char *, const char *, ...); 873e12c5d1SDavid du Colombier extern int vfprintf(FILE *, const char *, va_list); 883e12c5d1SDavid du Colombier extern int vprintf(const char *, va_list); 893e12c5d1SDavid du Colombier extern int vsprintf(char *, const char *, va_list); 903e12c5d1SDavid du Colombier extern int vfscanf(FILE *, const char *, va_list); 913e12c5d1SDavid du Colombier extern int fgetc(FILE *); 923e12c5d1SDavid du Colombier extern char *fgets(char *, int, FILE *); 933e12c5d1SDavid du Colombier extern int fputc(int, FILE *); 943e12c5d1SDavid du Colombier extern int fputs(const char *, FILE *); 953e12c5d1SDavid du Colombier extern int getc(FILE *); 963e12c5d1SDavid du Colombier #define getc(f) ((f)->rp>=(f)->wp?_IO_getc(f):*(f)->rp++&_IO_CHMASK) 973e12c5d1SDavid du Colombier extern int _IO_getc(FILE *f); 983e12c5d1SDavid du Colombier extern int getchar(void); 993e12c5d1SDavid du Colombier #define getchar() getc(stdin) 1003e12c5d1SDavid du Colombier extern char *gets(char *); 1013e12c5d1SDavid du Colombier extern int putc(int, FILE *); 1023e12c5d1SDavid du Colombier #define putc(c, f) ((f)->wp>=(f)->rp?_IO_putc(c, f):(*(f)->wp++=c)&_IO_CHMASK) 1033e12c5d1SDavid du Colombier extern int _IO_putc(int, FILE *); 1043e12c5d1SDavid du Colombier extern int putchar(int); 1053e12c5d1SDavid du Colombier #define putchar(c) putc(c, stdout) 1063e12c5d1SDavid du Colombier extern int puts(const char *); 1073e12c5d1SDavid du Colombier extern int ungetc(int, FILE *); 1083e12c5d1SDavid du Colombier extern size_t fread(void *, size_t, size_t, FILE *); 1093e12c5d1SDavid du Colombier extern size_t fwrite(const void *, size_t, size_t, FILE *); 1103e12c5d1SDavid du Colombier extern int fgetpos(FILE *, fpos_t *); 1113e12c5d1SDavid du Colombier extern int fseek(FILE *, long int, int); 1123e12c5d1SDavid du Colombier extern int fsetpos(FILE *, const fpos_t *); 1133e12c5d1SDavid du Colombier extern long int ftell(FILE *); 1143e12c5d1SDavid du Colombier extern void rewind(FILE *); 1153e12c5d1SDavid du Colombier extern void clearerr(FILE *); 1163e12c5d1SDavid du Colombier extern int feof(FILE *); 1173e12c5d1SDavid du Colombier extern int ferror(FILE *); 1183e12c5d1SDavid du Colombier extern void perror(const char *); 1193e12c5d1SDavid du Colombier extern FILE _IO_stream[FOPEN_MAX]; 1203e12c5d1SDavid du Colombier extern FILE *sopenr(const char *); 1213e12c5d1SDavid du Colombier extern FILE *sopenw(void); 1223e12c5d1SDavid du Colombier extern char *sclose(FILE *); 1233e12c5d1SDavid du Colombier extern char *rdline(FILE *, char **); 1243e12c5d1SDavid du Colombier 1253e12c5d1SDavid du Colombier #ifdef _POSIX_SOURCE 1263e12c5d1SDavid du Colombier extern int fileno(FILE *); 1273e12c5d1SDavid du Colombier extern FILE* fdopen(int, const char*); 1283e12c5d1SDavid du Colombier extern char *ctermid(char *); 1293e12c5d1SDavid du Colombier #endif 1303e12c5d1SDavid du Colombier 131*219b2ee8SDavid du Colombier #ifdef _BSD_EXTENSION 132*219b2ee8SDavid du Colombier #pragma lib "/$M/lib/ape/libbsd.a" 133*219b2ee8SDavid du Colombier extern FILE *popen(char *, char *); 134*219b2ee8SDavid du Colombier extern int pclose(FILE *); 135*219b2ee8SDavid du Colombier #endif 136*219b2ee8SDavid du Colombier 1373e12c5d1SDavid du Colombier #ifdef __cplusplus 1383e12c5d1SDavid du Colombier } 1393e12c5d1SDavid du Colombier #endif 1403e12c5d1SDavid du Colombier 1413e12c5d1SDavid du Colombier #endif 142