What does "?" mean?

Hi everyone, Happy new year! I have a quetion about Keil C51,can you give me a hand? Thank you in advance. *** WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?KEY?KEY CALLER1: ?PR?TIMER0?KEY...
What does "?" mean?

Hi everyone, Happy new year! I have a quetion about Keil C51,can you give me a hand? Thank you in advance. *** WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?KEY?KEY CALLER1: ?PR?TIMER0?KEY...
what's the meaning from ...

Guys i need some help about rtx51-tiny function like 1. isr_set_run(),what's the diferrent with isr_set_ready()? 2. os_set_run(),what's the different with os_set_ready()? 3. when i call os_set_run...
What means 'LPC1343 Flash.BAT'?

Hello, every time when I build my u-Vision project appears a .BAT file in the project folder. For example: I use u-Vision MDK 4 basic. I develop the LPC 1343 from NXP. When I build the project I create...
what's the meaning from ...

Guys i need some help about rtx51-tiny function like 1. isr_set_run(),what's the diferrent with isr_set_ready()? 2. os_set_run(),what's the different with os_set_ready()? 3. when i call os_set_run...