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Thread 1 (Thread 0x7f57f9ba6280 (LWP 5110)):
#0  __GI_____strtol_l_internal (nptr=0x0, endptr=0x0, base=10, group=<optimized out>, loc=0x7f57fb096960 <_nl_C_locobj>) at ../stdlib/strtol_l.c:292
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        i = <optimized out>
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        c = <optimized out>
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        j = <optimized out>
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        __res = <optimized out>
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#1  0x0000564998a31db2 in main ()
No symbol table info available.