======freemem======
WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0
Return free memory space
====Description====
int
freemem ( )
====Parameters====
None
====Return Values====
Integer number of bytes available in RAM
====Example====
====See Also====
[[disk_free_space()]] - Return free space on microSD card
[[freestack()]] - Return free stack space
[[mem_dump()]] - Write the current memory map to /dump.txt
[[mem_usage()]] - Write memory usage to standard output
[[nvram_free()]] - Return the number of bytes available in NVRAM
[[uphp:uphp_intro#challenges|Memory Limit Challenges to Programming the Wattmon]]