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