list: user.code_common_function code.language: c - alloc ah: alloca ay to eye: atoi ef close: fclose ef open: fopen ef read: fread ef write: fwrite em map: mmap em un map: munmap es en print eff: sprintf es print eff: sprintf exit free get char: getchar get op: getopt is digit: isdigit ma map: mmap malloc mem copy: memcpy mem set: memset print eff: printf re alloc: realloc see alloc: calloc set jump: setjmp signal size of: sizeof stir cat: strcat string cat: strcat stir comp: strcmp stir copy: strcpy stir dupe: strdup string dupe: strdup stir elle cat: strlcat stir l cat: strlcat stir elle copy: strlcpy stir l copy: strlcpy stir en cat: strncat stir en copy: strncpy stir en comp: strncmp stir len: strlen string len: strlen stir to int: strtoint stir to unsigned int: strtouint string char: strchr