Stdlib:
------

What should stdlib contain, and current status.

atof     - missing
atoi     - missing
atol     - missing
strtod   - missing
strtof   - missing
strtold  - missing (do we want to support long double anyway?)
strtol   - missing
strtoul  - missing
strtoq   - missing
strtouq  - missing
strtoll  - missing (same as strtoq, different "standard")
strtoull - missing (same as strtouq, different "standard")


no locale function at all (__strtol_l, etc...)


random    - missing
srandom   - missing
initstate - missing
setstate  - missing
rand      - missing
srand     - missing
drand48   - missing

all *rand48 missing

malloc, calloc, realloc, free, are implemented, but not thread-safe

abort  - missing
atexit - ok
exit   - ok

getenv - missing
setenv - missing

system - missing, and won't be here anyway I think...

bsearch - missing
qsort   - ok, stolen from libnix
abs     - missing
labs    - missing
llabs   - missing
div     - missing
ldiv    - missing
lldiv   - missing
frexp   - missing
ldexp   - missing

ecvt    - missing
fcvt    - missing
gcvt    - missing

mblen, mbtowc, wctomb, mbstowcs, wcstombs - missing


Stdio/Unistd:
------------

stdin, stdout, stderr - ok

Also, should have buffering...

remove     - missing
rename     - missing
tmp*       - missing
fclose     - ok, inlined
fflush     - ok, dummy function
fcloseall  - missing, won't implement (we don't keep track of the FILE pointers)
fopen      - ok, inlined
freopen    - missing
fdopen     - missing
setbuf     - missing
setvbuf    - missing

*printf    - ok, v-versions inlined (f, s, d, sn, as + x)
*scanf     - ok, v-versions inlined (f, s, d + x)
*getc      - ok, inlined (f, .)
getchar    - missing
*putc      - missing
putchar    - missing
{get,put}w - missing
*gets      - missing
getdelim   - missing, gnu replacement to gets
getline    - missing, gnu replacement to gets
*puts      - missing
ungetc     - missing, won't implement, as we don't bufferize at all.
fread      - ok, inlined
fwrite     - ok, inlined
fseek      - missing
ftell      - missing
rewind     - missing
fgetpos    - missing
fsetpos    - missing
clearerr   - missing
feof       - missing
ferror     - missing

perror     - missing
fileno     - missing
pipe funcs - missing, can we make them ?
lock funcs - missing, can we make them ?

mkdir      - missing
rmdir      - missing

chdir      - missing
getcwd     - missing

open       - ok
close      - ok
read       - ok
write      - ok
lseek      - ok


String:
------

memcpy      - ok, inlined
memmove     - missing
memset      - ok, inlined
memcmp      - ok, inlined
memchr      - missing

strcpy      - ok, inlined
strncpy     - ok, inlined
strcat      - ok, inlined
strncat     - missing
strcmp      - missing
strncmp     - missing

strcoll     - missing
strxfrm     - missing

strdup      - missing

strchr      - ok, inlined
strrchr     - missing

strcspn     - missing
strspn      - missing
strpbrk     - missing
strstr      - missing
strcasestr  - missing
strtok      - missing

strlen      - ok, inlined
strerror    - missing

bzero       - missing
bcopy       - missing
bcmp        - missing
index       - missing
rindex      - missing

stricmp     - missing
strcasecmp  - missing
strnicmp    - missing
strncasecmp - missing

isalnum     - ok, inlined
iscntrl     - ok, inlined
isdigit     - ok, inlined
isgraph     - ok, inlined
islower     - ok, inlined
isprint     - ok, inlined
ispunct     - ok, inlined
isspace     - ok, inlined
isupper     - ok, inlined
isxdigit    - ok, inlined
tolower     - ok, inlined
toupper     - ok, inlined

asctime     - missing
clock       - missing
ctime       - missing
difftime    - missing
gmtime      - missing
localtime   - missing
mktime      - missing

longjmp     - cortex-m3, untested
setjmp      - cortex-m3, untested

raise       - missing, can we build signals ?