### IBM C and C++ Compilers Functions and Macros: "B"

Function/Macro | #include file | ANSI/ISO | ANSI/ISO 93 | POSIX | XPG4 | Extension | Subsystem
_beginthread | <stdlib.h> <process.h> |  |  |  |  | X X |
bessel -- j0, j1, jn y0, y1, yn | <math.h> |  |  |  | X |  |
bsearch | <stdlib.h> <search.h> | X |  | X | X | X | X
btowc | <stdio.h> <wchar.h> |  | X |  |  |  |

IBM C and C++ Compilers Functions and Macros