C Libraries

• Bionic - Google's C Library for Android
• glibc - GNU C Library
• libc - BSD C Library
• musl libc
• dietlibc
• uClibc
• Newlib
• picolibc
• klibc

Features

• Data types
• Character classification
• Strings
• Mathematics
• File input/output
• Date/time
• Localization
• Memory allocation
• Process control
• Signals
• Alternative tokens

Miscellaneous headers

• POSIX Threads
  • Multithreading
  • Networking
  • Regular Expressions