pfp 94 usr/server/fs/vfs/vfs.h int sys_open(char *path, int flags, mode_t mode, file_t *pfp); pfp 55 usr/server/fs/vfs/vfs_syscalls.c sys_open(char *path, int flags, mode_t mode, file_t *pfp) pfp 142 usr/server/fs/vfs/vfs_syscalls.c *pfp = fp;