This a is DOSBOX 8086 16-bit i have been trying call two fuctions READ_STRING and WRITE_STRING on a seperate ASM file i get the L2029 error when using LINK CLC.OBJ on this two fuction i dont whats wrong i provided the picture the files and the error i been getting plz help me get this running the actual code to get it to work

DOSBox 0.74, Cpu speed: 3000 cycles, Frameskip 0, Program: EDIT Edit Search View Options Help C:NCLC.ASM MODEL SMALL EXTRN READ_STRING: PROC EXTRNWRITE STRING: PROC READ_STRING EQU READ_STRING WRITE STRING EQU WRITE_STRING .stack 100h code JMP START START CALL WRITE STRING CALLREAD STRING mov ax, 4ch int 21h END START Commands for manipulating files DOSBox 0.74, Cpu speed: 3000 cycles, Frameskip 0, Program: EDIT Edit Search View Options Help C:NCLC.ASM MODEL SMALL EXTRN READ_STRING: PROC EXTRNWRITE STRING: PROC READ_STRING EQU READ_STRING WRITE STRING EQU WRITE_STRING .stack 100h code JMP START START CALL WRITE STRING CALLREAD STRING mov ax, 4ch int 21h END START Commands for manipulating files