#include <sys/types.h>
#include <unistd.h>
int _llseek(unsigned int fd, unsigned long offset_high,
unsigned long offset_low, loff_t *result,
unsigned int whence);
注: このシステムコールには glibc のラッパー関数は存在しない。「注意」の節を参照。
The _llseek() system call repositions the offset of the open file description associated with the file descriptor fd to the value
This new offset is a byte offset relative to the beginning of the file, the current file offset, or the end of the file, depending on whether whence is SEEK_SET, SEEK_CUR, or SEEK_END, respectively.
The new file offset is returned in the argument result. The type loff_t is a 64-bit signed type.
This system call exists on various 32-bit platforms to support seeking to large file offsets.
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