'File pointer'에 해당되는 글 1건

  1. 2009.06.30 Linux File Descriptor / File pointer
Linux API/network2009. 6. 30. 17:21
File Descriptor
int open(const char *pathname, int flags);
int open(const char *pathname, int flags, mode_t mode);
ssize_t read(int fildes, void *buf, size_t nbyte);
ssize_t write(int fildes, const void *buf, size_t nbyte);
int close(int fd);

int pipe(int filedes[2]); // filedes[0] is for reading, filedes[1] is for writing

int dup(int oldfd);
int dup2(int oldfd, int newfd);

ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
ssize_t pwrite(int fildes, const void *buf, size_t nbyte,off_t offset);

File Pointer
FILE *fopen(const char *path, const char *mode);
size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
int fclose(FILE *fp);

FILE *fdopen(int fildes, const char *mode);
FILE *freopen(const char *path, const char *mode, FILE *stream);

int fseek(FILE *stream, long offset, int whence);
long ftell(FILE *stream);
void rewind(FILE *stream);
int fgetpos(FILE *stream, fpos_t *pos);
int fsetpos(FILE *stream, fpos_t *pos);

FILE *popen(const char *command, const char *type);
int pclose(FILE *stream);

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