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NN_REALLOCMSG(3) nanomsg 1.1.5 NN_REALLOCMSG(3)

nn_reallocmsg - reallocate a message

#include <nanomsg/nn.h>
void *nn_reallocmsg (void *msg, size_t size);

Reallocate a message previously allocated by nn_allocmsg(3) or received from a peer using NN_MSG mechanism.
Note that as with the standard realloc, the operation may involve copying the data in the buffer.

If the function succeeds pointer to newly allocated buffer is returned. Otherwise, NULL is returned and errno is set to to one of the values defined below.

ENOMEM
Not enough memory to allocate the message.

void *buf = nn_allocmsg (12, 0);
void *newbuf = nn_reallocmsg (buf, 20);
nn_freemsg (newbuf);

nn_allocmsg(3) nn_freemsg(3) nanomsg(7)

Martin <sustrik@250bpm.com>Sustrik
2018-10-15  

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