OS UE

development tools

sigaction, getopt

semaphores, shared memory

fork, pipe

socket

Man pages

getopt

man 3 getopt

man 3 string

string functions overview

copy from src to dst:
      char *strdup(const char *s);
      char *stpcpy(char *dest, const char *src);
      char *strcpy(char *dest, const char *src);
      char *strncpy(char *dest, const char *src, size_t n);
      size_t strxfrm(char *dest, const char *src, size_t n);
      int asprintf(char **strp, const char *fmt, ...);

append with string:
      char *strncat(char *dest, const char *src, size_t n);

shuffle:
      char *strfry(char *string);

get length:
      size_t strlen(const char *s);

compare 2 strings:
      int strncmp(const char *s1, const char *s2, size_t n);
      int strcasecmp(const char *s1, const char *s2);
      int strncasecmp(const char *s1, const char *s2, size_t n);
      char *strcat(char *dest, const char *src);
      int strcmp(const char *s1, const char *s2);
      int strcoll(const char *s1, const char *s2);

---

first / last index of char:
      char *index(const char *s, int c);
      char *strchr(const char *s, int c);
      char *rindex(const char *s, int c);
      char *strrchr(const char *s, int c);

first index of substring:
      char *strstr(const char *haystack, const char *needle);

first index of one of chars:
      char *strpbrk(const char *s, const char *chars);

count until first illegal char:
      size_t strspn(const char *s, const char *chars);
      size_t strcspn(const char *s, const char *chars);

split string:
      char *strsep(char **stringp, const char *delim); 
      char *strtok(char *s, const char *delim);

shared memory

man 3 shm_open

man 7 sem_overview

man 7 shm_overview

fork, pipe, execle

man 2 pipe - fork, pipe, write

man 2 dup2

man 2 wait

man 3 system

socket

man 2 select_tut - also has sigaction

man 7 unix - has overview

man 3 getaddrinfo - fallback, if no ipv4 given

Man pages for last exam

man 2 select_tut - if ipv4 is given

man 7 unix - has overview

man 2 pipe - fork, pipe, read/write

man 3 system

// man 3 getaddrinfo - fallback, if no ipv4 given