FENIX_libc/Some libc slash libk todos
2020-12-23 12:49:58 -06:00

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To be able to do a hosted GCC cross-compiler/system-specific cross-compiler
===========================================================================
/* NB: functions don't *need* to be implemented, just prototyped */
sys/types.h: pid_t
errno.h: must exist
stdlib.h: abort(), atexit(), atoi(), free(), getenv(), malloc()
stdio.h: FILE, stderr, size_t, SEEK_SET, fflush(), fclose(), fopen(), fread(),
fseek(), ftell(), fwrite(), setbuf(), fprintf(), vfprintf()
string.h: size_t, memcpy(), memset(), strcpy(), strlen()
time.h: must exist
unistd.h: pid_t, fork(), execv(), execve(), execvp()
/* NB: This list is ordered. i.e. cat needs stuff from asa to work! */
For sh
======
stdio.h
*******
fgets()
stdlib.h
********
exit()
free()
calloc()
unistd.h
********
chdir()
fork()
execvp()
getcwd()
sys/wait.h
**********
waitpid()
signal.h
********
signal()
SIG_DFL
SIG_IGN
For asa
=======
stdio.h
*******
fprintf()
fgetc()
fopen()
fclose()
For cal
=======
stdio.h
*******
fileno()
unistd.h
********
isatty()
For cat
=======
unistd.h
********
write()
For cksum
=========
stdio.h
*******
fseek()
SEEK_SET
For expand
==========
stdlib.h
********
malloc() (if not already implemented for calloc)
For link
========
unistd.h
********
link()
For ln
======
unistd.h
********
access()
unlink()
symlink()
fcntl.h
*******
AT_SYMLINK_FOLLOW
linkat()
AT_FDCWD
sys/stat.h
**********
struct stat
lstat()
S_ISLNK
string.h
********
strcpy()
For pwd
=======
stdlib.h
********
getenv();
For tty
=======
unistd.h
********
ttyname()