malloc and friends

malloc calloc

malloc free

malloc realloc

string family

index rindex

strspn strcspn

strcasecmp strncasecmp

strcat strncat

strcmp strncmp

strcpy strncpy

strchr strrchr

strtok strtok_r

numerical functions

abs labs

abs llab

abs imaxabs

atoi atol

atoi atoll

atoi atoq

erf erfc

exp log

exp log10

exp pow

j0 j1

j0 jn

j0 y0

j0 y1

j0 yn