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lwip_def.c File Reference
Common functions used throughout the stack. More...
Go to the source code of this file.
Functions | |
| u16_t | lwip_htons (u16_t n) |
| These are reference implementations of the byte swapping functions. | |
| u16_t | lwip_ntohs (u16_t n) |
| Convert an u16_t from network- to host byte order. | |
| u32_t | lwip_htonl (u32_t n) |
| Convert an u32_t from host- to network byte order. | |
| u32_t | lwip_ntohl (u32_t n) |
| Convert an u32_t from network- to host byte order. | |
Detailed Description
Common functions used throughout the stack.
Definition in file lwip_def.c.
Function Documentation
| u32_t lwip_htonl | ( | u32_t | n ) |
Convert an u32_t from host- to network byte order.
- Parameters:
-
n u32_t in host byte order
- Returns:
- n in network byte order
Definition at line 88 of file lwip_def.c.
| u16_t lwip_htons | ( | u16_t | n ) |
These are reference implementations of the byte swapping functions.
Again with the aim of being simple, correct and fully portable. Byte swapping is the second thing you would want to optimize. You will need to port it to your architecture and in your cc.h:
define LWIP_PLATFORM_BYTESWAP 1 define LWIP_PLATFORM_HTONS(x) <your_htons> define LWIP_PLATFORM_HTONL(x) <your_htonl>
Note ntohs() and ntohl() are merely references to the htonx counterparts. Convert an u16_t from host- to network byte order.
- Parameters:
-
n u16_t in host byte order
- Returns:
- n in network byte order
Definition at line 64 of file lwip_def.c.
| u32_t lwip_ntohl | ( | u32_t | n ) |
Convert an u32_t from network- to host byte order.
- Parameters:
-
n u32_t in network byte order
- Returns:
- n in host byte order
Definition at line 103 of file lwip_def.c.
| u16_t lwip_ntohs | ( | u16_t | n ) |
Convert an u16_t from network- to host byte order.
- Parameters:
-
n u16_t in network byte order
- Returns:
- n in host byte order
Definition at line 76 of file lwip_def.c.
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