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4.153 pgmspace.h
4.153.67 char * strncat_PF
char * strncat_PF(char *dest, uint_farptr_t src, size_t len)

AVRLibc

4.153.67 char * strncat_PF

char * strncat_PF(char *dest, uint_farptr_t src, size_t len)

The strncat_PF() function is similar to strncat(), except that the src string must be located in program space (flash) and is addressed using a far pointer.

Remember:

The strncat_PF() function returns a pointer to the resulting string dst. The contents of RAMPZ SFR are undefined when the function returns.

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