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Diffstat (limited to 'notes.md')
| -rw-r--r-- | notes.md | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/notes.md b/notes.md new file mode 100644 index 0000000..344b1fa --- /dev/null +++ b/notes.md @@ -0,0 +1,50 @@ + +Which file to include: + +> The <stdint.h> header is a subset of the <inttypes.h> header + +|----------------------------------------|-----------------------------------|--------------------------------| +| C INTS | | | +| `{CHAR,SHRT,INT,LONG,LLONG}_{MIN,MAX}` | `<limits.h>` | | +| `U{CHAR,SHRT,INT,LONG,LLONG}_MAX` | `<limits.h>` | | +|----------------------------------------|-----------------------------------|--------------------------------| +| C SIZED INTS | | | +| `(C u)int{n}_t` (and `_{MIN,MAX}`) | `<stdint.h>` | exact | +| `(u)int_least{n}_t` (and `_{MIN,MAX}`) | `<stdint.h>` | type may be more than `n` bits | +| `(u)int_fast{n}_t` (and `_{MIN,MAX}`) | `<stdint.h>` | type may be more than `n` bits | +| `(u)intptr_t` (and `_{MIN,MAX}`) | `<stdint.h>` | | +| `(u)intmax_t` (and `_{MIN,MAX}`) | `<stdint.h>` | | +| `PRI*` | `<inttypes.h>` | | +| `SCN*` | `<inttypes.h>` | | +|----------------------------------------|-----------------------------------|--------------------------------| +| C ADDRESS INTS | | | +| `ptrdiff_t` | `<stddef.h>` | | +| `PTRDIFF_{MIN,MAX}` | `<stdint.h>` | | +| `size_t` | `<stddef.h>` (or `<sys/types.h>`) | | +| `SIZE_MAX` | `<stdint.h>` | | +|----------------------------------------|-----------------------------------|--------------------------------| +| C WCHAR INTS | | | +| `wchar_t` | `<stddef.h>` | | +| `WCHAR_{MIN,MAX}` | `<stdint.h>` | | +| `wint_t` | `<wchar.h>` | | +| `WINT_{MIN,MAX}` | `<stdint.h>` | | +|----------------------------------------|-----------------------------------|--------------------------------| +| POSIX INTS | | | +| `sig_atomic_t` | `<signal.h>` | | +| `SIG_ATOMIC_{MIN,MAX}` | `<stdint.h>` | | +| `mode_t` | `<sys/types.h>` | unsigned | +| `dev_t` | `<sys/types.h>` | unsigned | +| `nlink_t` | `<sys/types.h>` | unsigned | +| `{u,g,}id_t` | `<sys/types.h>` | unsigned | +| `blkcnt_t` | `<sys/types.h>` | signed | +| `off_t` | `<sys/types.h>` | signed | +| `fsblkcnt_t` | `<sys/types.h>` | unsigned | +| `fsfilecnt_t` | `<sys/types.h>` | unsigned | +| `ino_t` | `<sys/types.h>` | unsigned | +| `blksize_t` | `<sys/types.h>` | signed | +| `pid_t` | `<sys/types.h>` | signed | +| `ssize_t` | `<sys/types.h>` | signed | +| `SSIZE_MAX` | `<limits.h>` | | +| `suseconds_t` | `<sys/types.h>` | signed | +| `clock_t` | `<sys/types.h>` | could be float | +| `time_t` | `<sys/types.h>` | signed | |