> For the complete documentation index, see [llms.txt](https://42-cursus.gitbook.io/guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions.md).

# LIBC functions

- [ft\_isalpha](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_isalpha.md)
- [ft\_isdigit](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_isdigit.md)
- [ft\_isalnum](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_isalnum.md)
- [ft\_isascii](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_isascii.md)
- [ft\_isprint](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_isprint.md)
- [ft\_strlen](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strlen.md)
- [ft\_memset](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_memset.md)
- [ft\_bzero](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_bzero.md)
- [ft\_memcpy](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_memcpy.md)
- [ft\_memmove](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_memmove.md)
- [ft\_strlcpy](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strlcpy.md)
- [ft\_strlcat](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strlcat.md)
- [ft\_toupper](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_toupper.md)
- [ft\_tolower](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_tolower.md)
- [ft\_strchr](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strchr.md)
- [ft\_strrchr](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strrchr.md)
- [ft\_strncmp](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strncmp.md)
- [ft\_memchr](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_memchr.md)
- [ft\_memcmp](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_memcmp.md)
- [ft\_strnstr](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strnstr.md)
- [ft\_atoi](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_atoi.md)
- [ft\_calloc](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_calloc.md)
- [ft\_strdup](https://42-cursus.gitbook.io/guide/0-rank-00/libft/libc-functions/ft_strdup.md)