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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __LIBPERF_INTERNAL_LIB_H
- #define __LIBPERF_INTERNAL_LIB_H
- #include <sys/types.h>
- extern unsigned int page_size;
- ssize_t readn(int fd, void *buf, size_t n);
- ssize_t writen(int fd, const void *buf, size_t n);
- ssize_t preadn(int fd, void *buf, size_t n, off_t offs);
- #endif /* __LIBPERF_INTERNAL_CPUMAP_H */
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