How to resolve __debug__ error?

I'm using Keil tools. I get following link errors: .\Builds\Octopus47.axf: Error: L6218E: Undefined symbol __debug__ (referred from at_ip.o). .\Builds\Octopus47.axf: Error: L6218E: Undefined symbol...
How to resolve __debug__ error?

I'm using Keil tools. I get following link errors: .\Builds\Octopus47.axf: Error: L6218E: Undefined symbol __debug__ (referred from at_ip.o). .\Builds\Octopus47.axf: Error: L6218E: Undefined symbol...
How does the linker resolve symbols?

Hello, How does the linker make the exact link between the contents of the header file and a library function it needs? in other words, if I include, say, <string.h>, how does the linker know which...
How does the linker resolve symbols?

Hello, How does the linker make the exact link between the contents of the header file and a library function it needs? in other words, if I include, say, <string.h>, how does the linker know which...
How to resolve the contention between 2 ADC0801!!!???

How to resolve the contention between 2 ADC0801!!!??? I would like using two ADC0801 in order to read 2 Vol electric signal ., 2 ADC interfaces with AT89c51 by using common input..If I use an ADC...