Advanced Programming in the UNIX® Environment

ptg10805159

Appendix A Function Prototypes 851

void _exit(intstatus);

<unistd.h> p. 198

This function never returns

void exit(intstatus);

<stdlib.h> p. 198

This function never returns

int faccessat(intfd,const char *path,intmode,intflag);

<unistd.h> p. 102

mode:R_OK, W_OK, X_OK, F_OK

flag:AT_EACCESS

Returns: 0 if OK,−1 on error

int fchdir(intfd);

<unistd.h> p. 135

Returns: 0 if OK,−1 on error

int fchmod(intfd,mode_tmode);

<sys/stat.h> p. 106

mode:S_IS[UG]ID, S_ISVTX,

S_I[RWX](USR|GRP|OTH)

Returns: 0 if OK,−1 on error

int fchmodat(intfd,const char *path,mode_tmode,intflag);

<sys/stat.h> p. 106

mode:S_IS[UG]ID, S_ISVTX,

S_I[RWX](USR|GRP|OTH)

flag:AT_SYMLINK_NOFOLLOW

Returns: 0 if OK,−1 on error

int fchown(intfd,uid_towner,gid_tgroup);

<unistd.h> p. 109

Returns: 0 if OK,−1 on error

int fchownat(intfd,const char *path,uid_towner,

gid_tgroup,intflag);

<unistd.h> p. 109

flag:AT_SYMLINK_NOFOLLOW

Returns: 0 if OK,−1 on error

int fclose(FILE *fp);

<stdio.h> p. 150

Returns: 0 if OK,EOFon error