Read numBytes from the file descriptor into buffer.
Synopsis
Declared in <bdls_fdstreambuf.h>
int
read(
char* buffer,
int numBytes);Description
Read the specified numBytes bytes from the current position of the file descriptor into the specified buffer. Return the number of characters successfully read. The behavior is undefined unless 0 <= numBytes and buffer is at least numBytes long. Note that on Windows in text mode, `\r ` is read as a single character and stored in the buffer as ` `.
Return Value
the number of characters successfully read
Parameters
Name |
Description |
buffer |
destination for bytes read |
numBytes |
number of bytes to read |
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