VxWorks provides a standard I/O package (stdio.h) with full ANSI C support that is compatible with the UNIX and Windows standard I/O packages.
代码语言:javascript复制/* ANSI */
/*
* open a file specified by name
* r : open text file for reading
* w : truncate to zero length or create text file for writing
* a : append; open or create text file for writing at end-of-file
* rb : open binary file for reading
* wb : truncate to zero length or create binary file for writing
* ab : append; open or create binary file for writing at end-of-file
* r : open text file for update (reading and writing)
* w : truncate to zero length or create text file for update.
* a : append; open or create text file for update, writing at end-of-file
* r b:
* rb : open binary file for update (reading and writing)
* w b:
* wb : truncate to zero length or create binary file for update
* a b:
* ab : append; open or create binary file for update, writing at end-of-file
*/
FILE *fopen(char *, char *mode);
/* used to attach the already-open streams to other files */
FILE *freopen(char *, char *, FILE *);
/* close a stream */
int fclose(FILE *);
/* read data into an array */
size_t fread(void *, size_t, size_t, FILE *);
/* return the next character from a stream */
int fgetc(FILE *);
int getc(FILE *);
/* return the next character from the standard input stream */
int getchar();
/* read a specified number of characters from a stream */
char *fgets(char *, int, FILE *);
/* read characters from the standard input stream */
char *gets(char *);
/* write from a specified array */
size_t fwrite(void *, size_t, size_t, FILE *);
/* write a character to a stream */
int fputc(int, FILE *);
int putc(int, FILE *);
/* write a character to the standard output stream */
int putchar(int);
/* write a string to a stream */
int fputs(char *, FILE *);
/* write a string to the standard output stream */
int puts(char *);
/* push a character back into an input stream */
int ungetc(int, FILE *);
/* flush a stream */
int fflush(FILE *);
/* set the file position indicator for a stream */
int fseek(FILE *, long, int);
/* set the file position indicator to the beginning of a file */
void rewind(FILE *);
/* return the current value of the file position indicator for a stream */
long ftell(FILE *);
/* store the current value of the file position indicator for a stream */
int fgetpos(FILE *, fpos_t *);
/* set the file position indicator for a stream */
int fsetpos(FILE *, fpos_t *);
/* generate a temporary file name */
char *tmpnam(char *);
/* test the end-of-file indicator for a stream */
int feof(FILE *);
/* test the error indicator for a file pointer */
int ferror(FILE *);
/* map an error number in `errno' to an error message */
void perror(char *);
/* clear end-of-file and error flags for a stream */
void clearerr(FILE *);
/*
* specify buffering for a stream
*
* mode
* _IOFBF : input/output is to be fully buffered.
* _IOLBF :input/output is to be line buffered.
* _IONBF :input/output is to be unbuffered.
*/
int setvbuf(FILE *, char *, int mode, size_t);
/* specify the buffering for a stream */
void setbuf(FILE *, char *);
代码语言:javascript复制/* POSIX 1003 */
/* open a file specified by a file descriptor */
FILE *fdopen(int, char *);
/* return the file descriptor for a stream */
int fileno(FILE *);
/* change the name of a file */
int rename (char *, char *);
代码语言:javascript复制/* WRS stdio functions declarations */
/* read the next word (32-bit integer) from a stream */
int getw(FILE *);
/* write a word (32-bit integer) to a stream */
int putw(int, FILE *);
/* specify buffering for a stream */
void setbuffer(FILE *, char *, size_t);
/* set line buffering for standard output or standard error */
int setlinebuf(FILE *);
/* return the standard input/output/error FILE of the current task */
FILE *stdioFp(int std);
/* display file pointer internals */
STATUS stdioShow(FILE * fp, int level);
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