#include <io.h>
Standard C runtime file interface to Nut/OS devices.
Defines | |
#define | _O_RDONLY |
#define | _O_WRONLY |
#define | _O_RDWR |
#define | _O_APPEND |
#define | _O_CREAT |
#define | _O_TRUNC |
#define | _O_EXCL |
#define | _O_TEXT |
#define | _O_BINARY |
Functions | |
int | _close (int fd) |
Close a file, device or socket. | |
long | _filelength (int fd) |
Return the length of a file. | |
int | _ioctl (int fd, int cmd, void *data) |
Perform device specific control functions. | |
int | _open (CONST char *name, int mode) |
Open a file. | |
int | _read (int fd, void *buffer, unsigned int count) |
Read data from a file, device or socket. | |
int | _write (int fd, CONST void *data, unsigned int count) |
Write data to a file, device or socket. | |
int | _write_P (int fd, PGM_P data, unsigned int count) |
Writes data from program space to a file, device or socket. |
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Start writing at the end. |
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Raw mode. |
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Create file if it does not exist. |
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Open only if it does not exist. |
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Read only. |
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Read and write. |
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EOL translation. |
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Truncate file if it exists. |
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Write only. |
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Close a file, device or socket. The calling thread may be suspended until all buffered output data has been written.
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Return the length of a file.
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Perform device specific control functions. Check the specific device driver for a list of supported control functions.
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Open a file.
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Read data from a file, device or socket.
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Write data to a file, device or socket.
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Writes data from program space to a file, device or socket. Similar to _write() except that the data is located in program memory.
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