Glibc的主要功能
| 头文件 | 主要功能 |
|---|---|
| ctype.h | 字符测试 |
| stdio.h | 输入输出 |
| stdlib.h | 复杂的工具 |
| string.h | 字符串处理 |
| assert.h | 程序断言 |
| limits.h | 系统参数 |
| stddef.h | 通用类型和常量 |
| time.h | 时间处理 |
| errno.h | 错误检测 |
| locale.h | 自适应 |
| math.h | 数学函数 |
| setjmp.h | 非局部分支 |
| signal.h | 中断处理 |
| stdarg.h | 可变长度参数表 |
Glibc的常见库
| Library component | Content | Inclusion guidelines |
|---|---|---|
| libBrokenLocale | Fixup routines to get applications that havebroken locale features to run. Overrides application defaults through preloading. (Need touse LD_PRELOAD.) | Rarely used. |
| libSegFault | Routines for catching segmentation faults and doing back traces. | Rarely used. |
| libanl | Asynchronous name lookup routines. | Rarely used. |
| libbsd-compat | Dummy library for certain BSD programs that are compiled with -lbsd-compat. | Rarely used. |
| libc | Main C library routines | Compulsory. |
| … | … | … |