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27 lines
587 B
27 lines
587 B
/*
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* header file to be used by applications.
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*/
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#ifndef _USER_LIB_H_
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#define _USER_LIB_H_
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#include "util/types.h"
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#include "kernel/proc_file.h"
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int printu(const char *s, ...);
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int exit(int code);
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void* naive_malloc();
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void naive_free(void* va);
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int fork();
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void yield();
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// added @ lab4_1
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int open(const char *pathname, int flags);
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int read_u(int fd, void *buf, uint64 count);
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int write_u(int fd, void *buf, uint64 count);
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int lseek_u(int fd, int offset, int whence);
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int stat_u(int fd, struct istat *istat);
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int disk_stat_u(int fd, struct istat *istat);
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int close(int fd);
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#endif
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